会社概要

基本情報

• 社名: 明興双葉
• 本社所在地: 〒104-0031 東京都中央区京橋2-6-14 ヒタチ・ダイロクビル4F
• 代表者: Masahiko Iida
• 資本金: 100 million yen
• 従業員数: 352 (as of March 2025)

企業理念

技術と価値創造を通じて、社会とともに成長し続ける。
私たちは、従業員一人ひとりが目標を持ち、挑戦し続けることこそが、企業の成長と価値創出創造の原点であると考えます。人の成長が仕事の質を高め、その積み重ねが確かな技術力となり、ステークホルダーの皆さまの信頼へとつながっていく。

ビジョン

協働と信頼で築き上げる、持続的成長を見据えた企業ビジョン。
働く人が安心して力を発揮できる環境づくりを重視し、公正で透明性の高いコンプライアンスを経営の基盤に据える。そのうえで、将来の成長を見据えた事業投資と、環境変化を捉えた戦略的な事業展開を実行し、安定した収益基盤と中長期的な利益成長を実現していく。

役員

• Representative Director: Masahiko Iida
• Senior Managing Director: Nobuo Tanaka
• Director: Makoto Akiyama
• Director (Part‑time): Shuichi Hayami

監査役

• Tomonori Uesaka (non‑executive auditor)

事業内容

Manufacture and sale of electric conductors; processing of electric wires; manufacture and sale of wire harnesses; casting of high‑silicon aluminum alloy; investigation and testing of metal characteristics focusing on aluminum alloy; casting of new dies using gravity casting and processing prototyping.

支店

• Ibaraki Plant: 〒300‑2521 6140‑1 Onogomachi, Joso‑shi, Ibaraki
• Tsukuba Plant: 1762‑3 Minaba, Shimotsuma‑shi, Ibaraki
• Ishige Plant: 1729‑1 Konoyama, Joso‑shi, Ibaraki
• Tohoku Office Plant No. 1: 〒021‑0041 173‑1 Akoogi Aza Shizu, Ichinoseki‑shi, Iwate
• Tohoku Office Plant No. 2: 〒021‑0822 14‑30 Higashidai, Ichinoseki‑shi, Iwate
• Tatomi Plant: 〒409‑3842 1604 Higashihanawa, Chuo‑shi, Yamanashi
• Ueda Hybrid Factory: 〒386‑0027 2381‑32 Tokiwagi, Ueda‑shi, Nagano
• Rokugo Plant: 〒409‑3244 1606 Iwama, Ichikawamisato‑cho, Nishiyatsuro‑shi, Yamanashi
• Ofuji Denko Plant: 〒400‑0416 243 Daishi, Minami‑Alps‑shi, Yamanashi

工場

• Ibaraki Plant: 〒300‑2521 6140‑1 Onogomachi, Joso‑shi, Ibaraki
• Tsukuba Plant: 1762‑3 Minaba, Shimotsuma‑shi, Ibaraki
• Ishige Plant: 1729‑1 Konoyama, Joso‑shi, Ibaraki
• Tohoku Office Plant No. 1: 〒021‑0041 173‑1 Akoogi Aza Shizu, Ichinoseki‑shi, Iwate
• Tohoku Office Plant No. 2: 〒021‑0822 14‑30 Higashidai, Ichinoseki‑shi, Iwate
• Tatomi Plant: 〒409‑3842 1604 Higashihanawa, Chuo‑shi, Yamanashi
• Ueda Hybrid Factory: 〒386‑0027 2381‑32 Tokiwagi, Ueda‑shi, Nagano
• Rokugo Plant: 〒409‑3244 1606 Iwama, Ichikawamisato‑cho, Nishiyatsuro‑shi, Yamanashi
• Ofuji Denko Plant: 〒400‑0416 243 Daishi, Minami‑Alps‑shi, Yamanashi

子会社・関連会社

• Shinshowa Corporation

取引先

• ANEST IWATA Corporation
• BANDO DENSEN LAO CO., LTD.
• CKD Corporation
• DAIHEN Corporation
• DAIKINDENSHIKOGYO Co., Ltd.
• DAYTONA CORPORATION
• DIGI America Inc.
• FANUC PERTRONICS CORP.
• Fuji Carbon Manufacturing Co., Ltd.
• Fujikin of America Inc.
• Fujikura Ltd.
• Fuji Denko Company.
• FURUKAWA SANGYO KAISHA, LTD.
• Furukawa Electric Co., Ltd.
• HIRAKAWA HEWTECH CORP.
• INTERWIRED CO., LTD.
• ITOCHU Metals Corporation
• IWAKI Yuasa Corporation
• J.S.T. Mfg. Co., Ltd.
• KANEKA CORPORATION
• KAWASAKI ELECTRIC WIRE CO., LTD.
• KYOSAI ELECTRIC CO., LTD.
• KYODEN PRECISION Co., Ltd.
• MEIDENSHA CORPORATION
• MIYAMA CABLE Corp.
• Mitsubishi Heavy Industries, Ltd.
• NAIGAI ELECTRONICS INC.
• Naigai Tec Corp.
• NICHIBITRADINGCO., LTD.
• NIPPON CONLUX CO., LTD.
• Nippon Kreis Co., Ltd.
• NISHIYAMA Corp.
• NPR Iwate Co., Ltd.
• OMRON SENTECH CO., LTD.
• OSAKI ELECTRIC CO., LTD.
• Oki Electric Cable Co., Ltd.
• Proterial, Ltd.
• SAKAE ELECTRONICS CORPORATION
• Shinko Shoji Co., Ltd.
• SHINKO DENSHI CO., LTD.
• Showa Furukawa Cable Co., Ltd.
• Sumitomo Electric Industries, Ltd.
• Sumitomo Shoji Machinex Co., Ltd.
• Sumitomo Wiring Systems, Ltd.
• SUNMULON CO., LTD.
• SUN‑WA TECHNOS CORPORATION
• TAKAGI CO., LTD.
• TECNART CO., LTD.
• Togami Electric Mfg. Co., Ltd.
• TOMIYAMA Corp.
• TOSHIBA TEC CORPORATION
• Toshiba Corporation
• Toshiba Carrier Corporation
• TOFLO CORPORATION
• TOHATSU CORPORATION
• Tokyo Electron Miyagi Ltd.
• Tokyo Electron Technology Solutions Ltd.
• TOKYO ELECTRIC WIRE INDUSTRIAL CO., LTD.
• TRIS Inc.
• Yamaden., Ltd.
• YAMABIKO CORPORATION.
• Yamuradennkiseiki Corp.
• Yokogawa Manufacturing Corporation
• Yazaki Energy System Corporation
• Yazaki Corporation
• Yazaki Parts Co., Ltd.

許認可・免許

• ISO 9001:2015 / JIS Q 9001:2015 (Registration Date: 8 September 1997, Registration Number: JMAQA-058, Applicable Businesses: Ibaraki Plant / Tatomi Plant – Electrical Conductors Business)
• ISO 14001:2015 / JIS Q 14001:2015 (Registration Date: 17 March 2005, Registration Number: JMAQA‑E553, Applicable Businesses: Ibaraki Plant / Tatomi Plant – Electrical Conductors Business)
• ISO 9001:2015 / JIS Q 9001:2015 (Registration Date: 31 May 1999, Registration Number: 13150, Applicable Business: Ueda Hybrid Factory – Light Metal Business)
• ISO 14001:2015 / JIS Q 14001:2015 (Registration Date: 25 September 2003, Registration Number: 13150‑B, Applicable Business: Ueda Hybrid Factory – Electrical Conductors, Harness, Light Metal Business)
• ISO 14001:2015 / JIS Q 14001:2015 (Registration Date: 1 February 2005, Registration Number: MOODY‑02545, Applicable Business: Tohoku Branch – Harness Business)

お問い合わせ先

• 電話: 03-3535-6011
• FAX: 03-3535-6012

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情報取得日時: 2026-03-12 20:39
情報取得元: https://meiko-futaba.co.jp/